/Engine/Source/Runtime/Interchange/Engine/Public/InterchangeImportCommon.h
Set the object's reimport source at the specified index value.
static bool SetReimportSourceIndex ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * Object, [UAssetImportData](API\Runtime\Engine\EditorFramework\UAssetImportData) * AssetImportData, int32 SourceIndex )